Extracts of the stems of Jatropha divaricata have yielded the two new diterpenes ent-3b,14a-hydroxypimara-7,9(11),15-triene-12-one (3) and the rearranged pimarane ent-15(13®8)abeo-8b(ethyl)-pimarane (4), which appears to be a new sketal type. The rare cleistanthane diterpenes spruceanol (1) and cleistanthol (2) were also obtained.....read more